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Nimzo-Indian, 4.e3, Main line 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 d5 6. Bd3 c5 7. 0-0 Nc6 8. a3 Bxc3+ 9. bxc3 dxc4

In each game under Location you see masterchessopen.com but it's not a valid website, so please don't use it. Claus Gamborg, Jan. 2023

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#WhiteRatingBlackRatingResultMovesECOTournamentDate
589Glavas Dragan (CRO)2333Krkljes Slaven (CRO)21671-039 ≣E41Ch Croatia (team)...20 Mar 2005
632Iotov Valentin (BUL)2509Kuzubov Yuriy (UKR)25821-045 ≣E41It \07 Jun 2007
248KeneszDuenhaupt HW (GER)1-040 ≣E41Ch Europe (team) ...
250Lerner Konstantin...2515Zaichik Gennadi (...24571-041 ≣E41Memorial V.Karsel...
251Rodriguez Orestes...2485Olafsson Fridrik ...25300-126 ≣E41It (cat.10)
603Radziewicz Iweta ...2453Turov Maxim (RUS)25460-120 ≣E41It (cat.7)06 Nov 2005
252Boudy Julio (CUB)2188Campos Lopez Mari...23551-042 ≣E41It
605Rosin Federico (ITA)2143Bevilacqua Mauriz...21721-044 ≣E41It (open)20 Nov 2005
253Portisch Lajos (HUN)2630Sosonko Gennadi (...25751-038 ≣E41It (cat.14)
254Podgaets Mikhail ...2465Donchenko Anatoly...23851-033 ≣E41?
258Portisch Ferenc (...2475Rigo Janos (HUN)23851-036 ≣E41Ch Hungary
213Bergdahl AssarNordstrom Felix (...21810-140 ≣E41corr.
696Lahiri Atanu (IND)2341Savic Miodrag R (...25030-143 ≣E41It (open)12 Jul 2010
15Kluger Gyula (HUN)2250Florian Tibor (HUN)1-038 ≣E41Ch Hungary
186Bronstein Luis (ARG)2349Schweber Samuel (...23480-138 ≣E41It
45Furman Semen (RUS)2550Antoshin Vladimir...22500-146 ≣E41Ch URS
23Geller Efim P (RUS)2455Kotov Alexander A...25000-142 ≣E41Tournament (candi...
176Diez Del Corral J...2415O'kelly De Galway...24600-144 ≣E41It
26Bronstein David I...2432Horberg Bengt-Eric1-033 ≣E41Olympiad
715Nieto Emanuel (BEL)2275Tjiam Dharma (NED)23820-140 ≣E41Ch Belgium (team)...27 Feb 2011
65Herink Miroslav (...2071Blatny Frantisek ...21121-038E41It
163Furman Semen (RUS)2550Padevsky Nikola (...23551-042 ≣E41Ch Czechoslovakia...
29Rabar Braslav (YUG)Janosevic Dragolj...23300-147 ≣E41It
559Golovchenko Gleb ...2260Vlasov Egor (RUS)22510-136 ≣E41Ch City (juniors)...
727Gomez Ledo Robert...2452Gensana Berzunces...19971-029 ≣E41It (open)18 Jul 2011
462Usachyi Vladimir ...2245Baklan Vladimir (...25700-130 ≣E41It (open)
197Ivanchenko Sergey...2054Rovner Dmitry (RUS)0-138 ≣E41?
33Uusi Gunnar (EST)2410Levenfish Grigori...1-028 ≣E41Ch Moscow
28Gligoric Svetozar...2447Janosevic Dragolj...23301-032 ≣E41It
489Potapov Alexander...2241Filippov Valerij ...25951-045 ≣E41Cup Russia
271Gerusel Mathias (...2395Behle Karl-Willi ...22561-028 ≣E41Bundesliga (2nd) ...
39Jorgensen Vagn RauheSpassky Boris V (...25480-133 ≣E41Ch World (juniors...
114Polugaevsky Lev A...2585Blatny Frantisek ...21121-046 ≣E41It
265Podgaets Mikhail ...2450Romanishin Oleg M...25601-049 ≣E41?
266Heiberg ThomasJohannessen Svein...22730-124 ≣E41Memorial Sigurd S...30 Aug 1979
275Mann VPiastowski Kurt (...19780-124 ≣E41Ch DDR (corr.)
43Idigoras GregorioNajdorf Miguel (POL)24450-139 ≣E41Ch Argentina
760Jacso Adam (HUN)2224Kozma Gabor19591-040 ≣E41It (open)19 Aug 2012
318GarciaCampeert Julien (...19941-022 ≣E46Cup Latin (corr.)
277Loschi EQuattrocchi Gaetano1-022E46?
546Davydenko Andrey ...2080Novoselsky Oleg (...21950-140 ≣E46Memorial Y.Sakhar...
343Veenhuijzen RobertVan Buuren J1-043 ≣E46corr.
569Ramirez Alejandro...2519Hernandez Holden ...24731-039 ≣E46Memorial C.Torre ...
320Hoffmann Hans (GER)2120Garscha F0-125 ≣E46corr.
427Storkebaum Karl H...Bockius Albert (GER)21621-034 ≣E46Memorial Weber (o...
709Gonzalez Manchon ...2091Kolev Atanas (BUL)25710-134 ≣E46It (open)04 Dec 2010
578Vdovichenko Vladi...2219Kucherenko Daniil...23130-135 ≣E46Ch Ukraine (team)20 May 2004
761Spindelboeck Gern...2227Sakelsek Tadej (SLO)24361-026 ≣E46It (open)26 Aug 2012
402Stasinos Panayoti...2155Koen Maja (BUL)21050-131 ≣E46It (open)
20Moisieev Oleg L (...2385Stoeckl Ernst (AUT)21741-038 ≣E46Match \
557Computer \Computer \0-150 ≣E46It (computers)
399Liimatta MarttiKirsi Vesa0-130 ≣E46?
750Shiva Ravi Pillai...1861Podolchenko Evgen...24640-127 ≣E46Cup Mayors (open)10 Jun 2012
21Vaitonis Paul (LTH)Anderson Frank R ...0-138 ≣E46Ch Canada
193Schmidt Waldemar ...2029Reimer Karl17040-134 ≣E46corr.
298Van Meggelen AHoffmann Gerfried0-133 ≣E46Europe Tournament...
306Ostenstad Berge (...2315O'Cinneide Mel (IRL)22341-028 ≣E46Ch World (juniors...03 Aug 1984
175Neumann AbrahamCabezudo Carlos1-026 ≣E46Ch World (juniors...
382Carlsson GoranHagstrom Allan1-044 ≣E46Ch Sweden (corr.)
448Mackie John JMrugala Artur0-133 ≣E46?
310Genovese ESleidinger GR1-040 ≣E46?
319Radulov LStrand1-046 ≣E46Europe Tournament...
124Varnusz Egon (HUN)2345Flesch Janos0-142 ≣E46Ch Hungary
89Gligoric Svetozar...2447Anderson Frank R ...1-042 ≣E46Olympiad
272Hovde Frank (NOR)2285Henttinen Markku ...22700-136 ≣E46It (open)
352Cenni F1620Alagna S0-125 ≣E46corr.
701Del Rio Angelis S...2515Sanchez Gonzalez ...22881-046 ≣E47It (open)11 Sep 2010
704Boettger Lukas (GER)2130Hummel Dennis (GER)20201-037 ≣E47Ch Germany (unive...09 Oct 2010
705Petran Pal (HUN)2348Getz Nicolai (NOR)22760-133 ≣E47It (cat.1)09 Oct 2010
706Bezemer Arno (NED)2318L'Ami Erwin (NED)26240-141 ≣E47It (open)22 Oct 2010
707Ben Arzi Ido (ISR)2183Abasov Nijat Azad...25170-134 ≣E47Ch World (juniors...26 Oct 2010
708Anand Viswanathan...2800Bacrot Etienne (FRA)27161-033 ≣E47It \30 Oct 2010
710Nieto De La Cruz ...2154Sanchez Gonzalez ...22861-043 ≣E47Liga Madrilena 20...09 Jan 2011
711Sagar Shah (IND)2298Venkatesh M R (IND)24791-045 ≣E47It (open)19 Jan 2011
712Verko Tatiana (KAZ)2104Kovanova Baira (RUS)23691-026 ≣E47It (open) (w)
719Wojtaszek Radosla...2704Sasikiran Krishna...26890-140 ≣E47It (cat.18)17 May 2011
722Schreiner Till (GER)2150Mueller Nick19580-133 ≣E47Ch Germany (junio...14 Jun 2011
723Di Berardino Dieg...2483Aranha Filho Alva...23151-043 ≣E47Zt26 Jun 2011
724Kovalenko Igor (UKR)2578Zubarev Alexander...26081-031 ≣E47Memorial A.Ermak ...01 Jul 2011
725Peralta Fernando ...2602Cruz Jonathan (PER)24121-042 ≣E47It (open)03 Jul 2011
726Atalik Ekaterina ...2481Nikolova Adriana ...22681-032 ≣E47Ch Turkey (team)07 Jul 2011
729Mitchell Martin (...2226Jakovljevic Vlado...23860-122 ≣E47It (open)16 Aug 2011
731Kovalenko Igor (UKR)2567Voronov Yuri (UKR)22811-025 ≣E47It (open)04 Sep 2011
733Urkedal Frode (NOR)2447Tari Aryan (NOR)22241-029 ≣E47It (open)02 Oct 2011
734Kamel Salama (EGY)2037Elhares Alaa17411-029 ≣E47Tournament (Elo) \15 Oct 2011
735Lund Stale (NOR)1848Swiercz Dariusz (...25850-119E47It (open)03 Nov 2011
737Lund Esben (DEN)2398De Verdier Michae...23861-027 ≣E47It (open)26 Nov 2011
738Netusil Miroslav ...2318Sura Jaroslav (CZE)21871-033 ≣E47Ch Czech Republic...27 Nov 2011
740Skliba Martin (CZE)2301Fusek Lukas19841-045 ≣E47Czech League 2011...08 Jan 2012
744Timofeev Artyom (...2659Grandelius Nils (...25451-046 ≣E47Ch Europe28 Mar 2012
746Salinas Herrera P...2366Valiente Cristoba...22571-035 ≣E47It (cat.3)02 Apr 2012
747Tovmasian Vardges...2420Soltanici Ruslan ...23970-142 ≣E47Memorial V.Naboko...25 Apr 2012
749Korobov Anton (UKR)2679Swiercz Dariusz (...25651-045 ≣E47Match \29 May 2012
751Kharitonov Alexan...2547Biriukov Nikolai ...24201-032 ≣E47It (open)18 Jun 2012
754Peralta Fernando ...2602Cori T Deysi (PER)23861-031 ≣E47It (open)03 Jul 2012
755De Roode Peter (NED)2242L'Ami Erwin (NED)26150-136 ≣E47It (open)07 Jul 2012
756Maiorov Nikita (BLR)2574Darmarakis Mihail...22140-140 ≣E47It (open)08 Jul 2012
630Hesselbarth Karlh...1878Bauer Norbert (GER)21180-133 ≣E47It (open) \16 May 2007
539Niemela Antti (FIN)2256Koskela Niina (FIN)23101-045 ≣E47Ch Finland (team)...
660Vazquez Renier (ESP)2530Vassallo Mauricio...24181-041 ≣E47It (open)24 Aug 2008